CVE-2019-13574 OS Command Injection in MiniMagick

What is CVE-2019-13574?

CVE-2019-13574 is a high-severity command injection vulnerability in Debian Debian Linux, published on 12 Jul 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In lib/mini_magick/image.rb in MiniMagick before 4.9.4, a fetched remote image filename could cause remote command execution because Image.open input is directly passed to Kernel#open, which accepts a '|' character followed by a command.

Weakness: CWE-78

Which versions are affected by CVE-2019-13574?

2 open source packages ship an affected version, including mini_magick. It affects 2 products.

Products include Debian Debian Linux, Minimagick Project Minimagick.

How do I fix CVE-2019-13574?

Upgrade mini_magick to 4.9.4 or later.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2019-13574 being exploited?

There is no known exploitation of CVE-2019-13574 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-13574, DLA-1948-1, DSA-4481-1, GHSA-r7j3-vvh2-xrpj, OESA-2021-1150, UBUNTU-CVE-2019-13574.